Year	constant 2010 US$
1970	317954627964.204
1971	330898662727.624
1972	361698447143.061
1973	408213070920.517
1974	455498118468.709
1975	486585813718.366
1976	516618466894.565
1977	535168307444.284
1978	556561150519.287
1979	576582308504.788
1980	621640272739.953
1981	613415168059.182
1982	536119963625.36
1983	422728142598.586
1984	439647890213.663
1985	464194950946.819
1986	495254829434.325
1987	516040007504.848
1988	522588820681.224
1989	497984893665.782
1990	487978614675.985
1991	538139806729.207
1992	578760507527.546
1993	596534628708.413
1994	661303071153.831
1995	639760096537.692
1996	659885589831.661
1997	738243637139.158
1998	766740700598.752
1999	706950667499.948
2000	748371373447.067
2001	729963899786.25
2002	693844824237.55
2003	685077271337.433
2004	761501420194.233
2005	823154374166.761
2006	915671460014.093
2007	1025282352855.85
2008	1122931948314.47
2009	1002676149933.36
2010	1150487627722.71
2011	1260468188187.5
2012	1312189256626.82
2013	1335454570243.8
2014	1294177164615.75
2015	1234891976500.41
2016	1169777926792.17
2017	1170240974486.9
2018	1201207098624.1